207907011

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{136691}}^1$

素因数の和:136723

約数の個数: 18

約数和(自身を含む): 325190268

約数和(自身を除く): 117283257

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 136691, 410073, 1230219, 1776983, 5330949, 15992847, 23100779, 69302337, 207907011]

約数ペア:

[(1, 207907011), (3, 69302337), (9, 23100779), (13, 15992847), (39, 5330949), (117, 1776983), (169, 1230219), (507, 410073), (1521, 136691)]